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Income Taxes
9 Months Ended
Sep. 30, 2021
Income Taxes  
Income Taxes

Note 15. Income Taxes

No income tax expense was recorded by the Company during the three and nine months ended September 30, 2021. The Company recorded income tax expense of $1.3 million for the nine months ended September 30, 2020, representing an effective income tax rate of 2.8%. During the second quarter of 2020, the Company’s Australia subsidiary sold beneficial rights to discovery intellectual property to its U.S. entity, and the U.S. entity reimbursed the Australia subsidiary for certain direct development costs. Upon completion of the sale, the Company analyzed tax planning strategies and future income and concluded that a valuation allowance is necessary for its Australia subsidiary. Income tax expense for the nine months ended September 30, 2020 reflects this sale of intellectual property rights, cost reimbursements and related adjustments to the deferred tax asset, establishing a valuation allowance and certain uncertain tax position liabilities. The Company’s effective income tax rate differed from the Company’s federal statutory rate of 21%, primarily because its U.S. loss cannot be benefited due to the full valuation allowance position and reduced by foreign taxes.